wp: add/modify columns in post type listing screens

gistfile1.txt

function f__manage_posts_columns($cols)
{	
	global $typenow;
	if ($typenow != 'price_table')
		return $cols;
	
	$cols = array(
		'cb' => $cols['cb'],
		'title' => $cols['title'],
		'template' => "Template",
		'shortcode' => "Shortcode",
		'date' => $cols['date'],
	);

	return $cols;
}


function a_10_2__manage_posts_custom_column($col_name, $post_id)
{
	global $typenow;
	if ($typenow != 'price_table')
		return $cols;
		
	if ($col_name == 'shortcode') {
		?><code><strong>[price_table id="<?php echo $post_id; ?>"]</strong></code><?php 
	} elseif ($col_name == 'template') {
		echo "Default";
	}
}